.header-container {
    background-color: #a5a4a4; 
    color: rgb(241, 241, 241); 
    padding: 20px; 
    text-align: center;
} 
.article-box1{
    background-color: #9c9c9c; 
    color: rgb(206, 206, 206); 
    padding: 20px; 
    
}
.section-box2 {
    background-color: #f1ecec; 
    color: rgb(10, 10, 10); 
    padding: 20px; 
    border-radius: 15px; 
}
.footer-box3{
    background-color: #dadada; 
    color: rgb(10, 10, 10); 
    padding: 20px; 
    border-radius: 15px; 
    text-align: center;
}
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px;
}

.box {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    flex: 1 1 calc(25% - 20px);
    margin: 10px;
    padding: 20px;
    box-sizing: border-box;
}

.box h2 {
    margin-top: 0;
}

@media (max-width: 768px) {
    .box {
        flex: 1 1 calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .box {
        flex: 1 1 100%;
    }
}
